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Official data from INPI

DISPOSITIVO AQUECEDOR

ArquivadaInvention PatentPCT · US1990001597

Application data

Number

PI9007256

Type

Invention Patent

Filing

03/23/1990

Publication

11/26/1991

PCT

US1990001597

Progress at the INPI

  1. Filing03/23/90
  2. Publication11/26/91
  3. Abandoned07/13/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/04/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Donaldson Company, Inc

US

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Inventors

D. F. (pessoa física)

US

E. S. (pessoa física)

US

E. W. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

331.623 · 03/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Retificação da notificação da fase nacional - PCT

#1.3.1

03/10/1992

RPI 1110

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1991

RPI 1095

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